diff --git a/src/main/java/io/github/ilri/cgspace/ctasks/CGSpaceCountriesVocabulary.java b/src/main/java/io/github/ilri/cgspace/ctasks/CGSpaceCountriesVocabulary.java
index 9d689c2..c1cbec5 100644
--- a/src/main/java/io/github/ilri/cgspace/ctasks/CGSpaceCountriesVocabulary.java
+++ b/src/main/java/io/github/ilri/cgspace/ctasks/CGSpaceCountriesVocabulary.java
@@ -1,7 +1,7 @@
 /*
 * Copyright (C) 2020 Alan Orth
 *
-* SPDX-License-Identifier: GPL-3.0-only
+* SPDX-License-Identifier: GPL-3.0-or-later
 */
 
 package io.github.ilri.cgspace.ctasks;
diff --git a/src/main/java/io/github/ilri/cgspace/ctasks/CountriesVocabulary.java b/src/main/java/io/github/ilri/cgspace/ctasks/CountriesVocabulary.java
index 75bc78a..32590f9 100644
--- a/src/main/java/io/github/ilri/cgspace/ctasks/CountriesVocabulary.java
+++ b/src/main/java/io/github/ilri/cgspace/ctasks/CountriesVocabulary.java
@@ -1,7 +1,7 @@
 /*
 * Copyright (C) 2020 Alan Orth
 *
-* SPDX-License-Identifier: GPL-3.0-only
+* SPDX-License-Identifier: GPL-3.0-or-later
 */
 
 package io.github.ilri.cgspace.ctasks;
diff --git a/src/main/java/io/github/ilri/cgspace/ctasks/CountryCodeTagger.java b/src/main/java/io/github/ilri/cgspace/ctasks/CountryCodeTagger.java
index 613a22e..69de168 100644
--- a/src/main/java/io/github/ilri/cgspace/ctasks/CountryCodeTagger.java
+++ b/src/main/java/io/github/ilri/cgspace/ctasks/CountryCodeTagger.java
@@ -1,7 +1,7 @@
 /*
 * Copyright (C) 2020 Alan Orth
 *
-* SPDX-License-Identifier: GPL-3.0-only
+* SPDX-License-Identifier: GPL-3.0-or-later
 */
 
 package io.github.ilri.cgspace.ctasks;
diff --git a/src/main/java/io/github/ilri/cgspace/ctasks/ISO3166CountriesVocabulary.java b/src/main/java/io/github/ilri/cgspace/ctasks/ISO3166CountriesVocabulary.java
index 31250ae..5bdca47 100644
--- a/src/main/java/io/github/ilri/cgspace/ctasks/ISO3166CountriesVocabulary.java
+++ b/src/main/java/io/github/ilri/cgspace/ctasks/ISO3166CountriesVocabulary.java
@@ -1,7 +1,7 @@
 /*
 * Copyright (C) 2020 Alan Orth
 *
-* SPDX-License-Identifier: GPL-3.0-only
+* SPDX-License-Identifier: GPL-3.0-or-later
 */
 
 package io.github.ilri.cgspace.ctasks;
diff --git a/src/main/java/io/github/ilri/cgspace/scripts/FixJpgJpgThumbnails.java b/src/main/java/io/github/ilri/cgspace/scripts/FixJpgJpgThumbnails.java
index 012d6e0..d292d5a 100644
--- a/src/main/java/io/github/ilri/cgspace/scripts/FixJpgJpgThumbnails.java
+++ b/src/main/java/io/github/ilri/cgspace/scripts/FixJpgJpgThumbnails.java
@@ -1,7 +1,7 @@
 /*
 * Copyright (C) 2020 Alan Orth
 *
-* SPDX-License-Identifier: GPL-3.0-only
+* SPDX-License-Identifier: GPL-3.0-or-later
 */
 
 package io.github.ilri.cgspace.scripts;
diff --git a/src/main/java/io/github/ilri/cgspace/scripts/FixLowQualityThumbnails.java b/src/main/java/io/github/ilri/cgspace/scripts/FixLowQualityThumbnails.java
index 174df9b..f93a93a 100644
--- a/src/main/java/io/github/ilri/cgspace/scripts/FixLowQualityThumbnails.java
+++ b/src/main/java/io/github/ilri/cgspace/scripts/FixLowQualityThumbnails.java
@@ -1,7 +1,7 @@
 /*
 * Copyright (C) 2022 Alan Orth
 *
-* SPDX-License-Identifier: GPL-3.0-only
+* SPDX-License-Identifier: GPL-3.0-or-later
 */
 
 package io.github.ilri.cgspace.scripts;